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This textbook chapter presents evidence of a warming climate and outlines how a clear picture of global warming has emerged since the 1980s. Students learn about sampling error sources in climate data, and compare graphical data collected by climate... (View More)

In this textbook chapter, scientists studying the concentration of becomes CO² in the atmosphere are profiled. The techniques for measuring and recording carbon dioxide concentrations at the Mauna Loa Observatory are described. A link to a video... (View More)

Audience: High school
Materials Cost: Free

This textbook chapter presents several biodiversity case studies, including a study of prairie soil, the 1930's Dustbowl, and the importance of soil conservation practices. The resource includes a link to current news articles and a teacher's guide.... (View More)

This textbook chapter presents a real case study involving the the logging of an old stand forest from three perspectives, that of the environmentalists, the wood products industry, and a politician. An associated writing activity engages students... (View More)

Readings in this chapter guide student reflection on sustainability of the planet, and whether the Earth system is near a tipping point, where ecosystems will reorganize and seek a new equilibrium, with consequences for biodiversity. The resource... (View More)

This is an activity about image comparison. Learners will analyze and compare two sets of images of the Sun taken by instruments on the Solar Dynamics Observatory spacecraft. With Set 1, they will observe the Sun in both a highly active and a... (View More)

Audience: Elementary school, Middle school, High school
Materials Cost: Free

In this textbook chapter, students examine the data from Mauna Loa to see that the concentration of carbon dioxide in the atmosphere is increasing. The seasonal signal observed in the data is explained by the growth cycle of plants in the Northern... (View More)

Audience: High school
Materials Cost: Free

This is an activity about forecasting space weather. Learners will use real-time data from NASA's Solar Dynamics Observatory, or SDO, to identify a variety of solar features and active regions of the Sun, and then will use these observations to... (View More)

NASA scientist, Neil Gehrels, serves as your guide to this online lesson on gamma ray tools, which focuses on advances in detector technologies since the 1980s that have enabled us to capture and image high-energy phenomena. Dr. Gehrels explains... (View More)

Audience: High school
Materials Cost: Free

In this case study, students read about the Canopy Crane at Wind River, a project that enables the study of Earth system interactions that take place high in the tree canopy. The chapter profiles scientists, studying birds, fungi, chemical transfer... (View More)